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From Reflection Equation Algebra to Braided Yangians

  • Dimitri GurevichEmail author
  • Pavel Saponov
Conference paper
Part of the Springer Proceedings in Mathematics & Statistics book series (PROMS, volume 273)

Abstract

In general, quantum matrix algebras are associated with a couple of compatible braidings. A particular example of such an algebra is the so-called Reflection Equation algebra In this paper we analyze its specific properties, which distinguish it from other quantum matrix algebras (in first turn, from the RTT one). Thus, we exhibit a specific form of the Cayley-Hamilton identity for its generating matrix, which in a limit turns into the Cayley-Hamilton identity for the generating matrix of the enveloping algebra U(gl(m)). Also, we consider some specific properties of the braided Yangians, recently introduced by the authors. In particular, we exhibit an analog of the Cayley-Hamilton identityfor the generating matrix of such a braided Yangian. Besides, by passing to a limit of this braided Yangian, we get a Lie algebra similar to that entering the construction of the rational Gaudin model. In its enveloping algebra we construct a Bethe subalgebra by the method due to D.Talalaev.

Keywords

Reflection equation algebra Braided Lie algebra Affinization Braided Yangian Quantum symmetric polynomials Cayley-Hamilton identity 

AMS Mathematics Subject Classification, 2010:

81R50 

Notes

Acknowledgments

D.G. is grateful to the Max Planck Institute for Mathematics (Bonn), where the paper was mainly written, for stimulating atmosphere during his scientific visit. The work of P.S. has been funded by the Russian Academic Excellence Project ‘5-100’ and was also partially supported by the RFBR grant 16-01-00562. The authors are also thankful to D.Talalaev for elucidating discussion.

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  1. 1.Valenciennes University, EA 4015-LAMAVValenciennesFrance
  2. 2.National Research University Higher School of EconomicsMoscowRussian Federation
  3. 3.NRC “Kurchatov Institute”, Institute for High Energy PhysicsProtvinoRussian Federation

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